<?php require_once 'header.html'; ?>
<div class="block">
	<!-- <img width="800px" src="img/sys/course_focus.png"> -->
</div>
<div class="block">
  <div class="cat_tit g_w_800 cat_tit_underline">
		<dl>
			<dd class="course_tit" onclick="showCourse(1)" id="id_course_1_0">语音知识</dd>
			<dd class="course_tit" onclick="showCourse(2)" id="id_course_2_0">语法知识</dd>
			<dd class="course_tit" onclick="showCourse(3)" id="id_course_3_0">历史知识</dd>
			<dd class="course_tit" onclick="showCourse(4)" id="id_course_4_0">文学常识</dd> 
		</dl>
	</div>
</div>
<div class="block"  id="id_course_1">
	 
</div>
<div class="block"  id="id_course_2">
	 
</div>
<div class="block "   id="id_course_3">
	 
</div>
<div class="block"   id="id_course_4">
 
</div>
<?php require_once 'footer.html'; ?>